MATHEMATICS HIGH SCHOOL

What force is exerted on a test charge of 3.25 E−5 C, if it is placed in an electric field of magnitude 1.40 E4 N/C? Remember to identify all data (givens and unknowns), list equations used, show all your work, and include units and the proper number of significant digits to receive full credit.

Answers

Answer 1

Answer:

Answer:

0.46 newtons

Step-by-step explanation:

For these kinds of problems, you can employ the formula

$E=(F)/(q)$

where E represents the field in N/C, F represents the force in newtons, and q represents the charge in coulombs. You can therefore set up the following equation:

$1.4* 10^4 N/C=(F)/(3.25* 10^(-5)C) \n\n$

$F=(1.4* 10^4 N/C) * (3.25 * 10^(-5) C)=4.6 * 10^(-1) N$ (following sig figs)

Hope this helps!

Answer 2

Answer:

Answer:

your answer is 1.50 E4 N/C

Step-by-step explanation:

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PLS HELP THNXS!!! In a survey of a sample of computer users, 10% said their computer had a malfunction that needed to be repaired by a service technician. This describes a statistic. t or f

Answers

Answer:

Yes this is true.

Step-by-step explanation:

In a survey of a sample of computer users, 10% said their computer had a malfunction that needed to be repaired by a service technician.

The number 10% is a statistic because it is based on a sample of say x computer users, not the entire population of computer users.

And sample x can be any number like 500 or 600 etc. The entire population is in millions. And, sample is a part of population.

So, the answer is true.

im fairly certain that its true because you don't know the exact number of people surveyed. If they had said "out of the 100 people we surveyed 10% had problems" that would be a Parameter because parameters are percents out of the whole. if that makes sense.

Point P was rotated by 120(the center of rotation is indicated)

Answers

After rotating point P by 120 degrees around the indicated center of rotation, the new position of point P can be calculated using trigonometric principles and the fraction of a full rotation it has undergone, resulting in its new coordinates.

To find the new position of point P, we can use the following steps:

Draw a line segment from the center of rotation to point P.

Measure the angle between the initial position of the line segment and the final position after the rotation. In this case, the angle is 120 degrees.

Divide the angle of rotation by the number of equal parts in a full circle (360 degrees). This will give us the fraction of a full rotation that the point has undergone. In this case,

120/360 = 1/3 of a full rotation.

Using trigonometric functions (sine and cosine), calculate the new coordinates of point P based on its distance from the center of rotation and the fraction of the circle it has rotated through.

To know more about rotation here

brainly.com/question/34828607

#SPJ3

Answer:

I think it is

hope this helps

The amount Ben earns y varies directly with the number of hours he works X as shown in the graph. write a direct variation equation. identify the constant of variation and interpret it's meaning

Answers

Not as complicated if you understand direct variation.
The standard set up for direct variation is y=kx, which happens to be the case here. K stands for constant, which is what it is asking for. The constant is the ratio of y/x in direct variation and I can not solve that without seeing the graph, but the meaning of the constant of variation in this situation is The amount Ben earns per hour. Or in general The constant number multiplied by x to get y in the ratio between x and y in a direct variation situation.

A 6 ounce bag of raisians cosr$2.46 and a 8 ounce bag cost $3.20 which is better deal

Answers

If you divide 2.46/6=0.41
If you divide 3.20/8=0.40
Which is a better deal?

An initial investment of $150,000 grows at 22% per year. What function represents the value of the investment after t years?

Answers

Answer:

150000(1.22)^t

Step-by-step explanation:

A-150000

R- 0.22 plus the 1 since it’s positive y=A(1+r)

Sooo 150000(1+0.22)^t

The width,w, of a rectangular garden is X -2 the area of the garden is X^3-2X-4 what is an expression for the length of the garden? A. X^2-2x-2
B. X^2+2x-2
C. X^2-2x+2
D. X^2+2x+2

Answers

Answer:

D. $x^2+2x+2$

Step-by-step explanation:

We know that,

The area of a rectangle is,

A = l × b,

Where, l is the length of the rectangle,

w is the width of the rectangle,

Given,

$A = x^3-2x-4$

$w=(x-2)$

By substituting values,

$x^3-2x-4=(x-2)l$

$\implies l = (x^3-2x-4)/(x-2)=x^2+2x+2$ ( By long division shown below )

Hence, the length of the rectangular garden is $x^2+2x+2$

Option D is correct.

$A=lw \Rightarrow l=(A)/(w)$
A - area, l - length, w - width

$w=x-2 \nA=x^3-2x-4 \n \nl=(x^3-2x-4)/(x-2)=(x^3-2x^2+2x^2-4x+2x-4)/(x-2)=(x^2(x-2)+2x(x-2)+2(x-2))/(x-2)= \n=((x^2+2x+2)(x-2))/(x-2)=x^2+2x+2$

The answer is D. x²+2x+2.

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